Sine Cosine Potentiometers - nonlinear

Special potentiometer with sine/cosine signal

Sine/cosine potentiometers represent a special case in the range. They allow conductive plastic potentiometers to be operated for the entire 360° range. This is achieved by using two wipers on the resistance track. One wiper is used for sine and one for cosine at 90° intervals.

There are two connections for positive and negative voltage (opposite) and two for earth (also opposite), which are connected to the resistance track. Two wipers pick up the signal with a 90 ° offset on the resistance track. When the shaft rotates, a continuous, periodic signal in sine and cosine form is generated at the two outputs.

The sliders always provide a signal for the 360° range and there is no dead zone as with standard conductive plastic potentiometers. Due to the possibility of combining the two signals in the evaluation, a digital incremental signal with information on the direction of rotation can be generated by interpolation.


3 results found
Conductive Plastic Potentiometer-SCX22
SIN-COS Potentiometer SCX22
Compact non-linear potentiometer in Ø22 mm metal housing with very long lifespan and opt. rear shaft
  • Precise sinus cosines potentiometer in 22 mm housing
  • Very long lifespan
  • 2 x ball bearings
  • Effective electrically angle of rotation 360°
Conductive Plastic Potentiometer-SCX30
SIN-COS Potentiometer SCX30
Precise non-linear potentiometer in Ø27 mm metal housing with very long lifespan and opt. rear shaft
  • Very precise sinus cosines potentiometer
  • High resistance versions
  • Very long lifespan
  • 2 x ball bearings
  • Electrically effective angle of rotation 360°
Conductive Plastic Potentiometer-SCX50
SIN-COS Potentiometer SCX50
Very precise non-linear potentiometer in Ø51 mm metal housing with very long lifespan and opt. rear shaft
  • Very precise sinus cosines potentiometer
  • Power rating up to 1,25 W
  • Very high resistance versions
  • Very long lifespan
  • 2 x ball bearings
  • Electrically effective angle of rotation 360 °
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